(Obviously, I haven't worried about Julian v. Gregorian calendars, etc.  So sue me.)

January
     3    Eric Voegelin, 1901
    10    Lord Acton, 1834
    12    Edmund Burke, 1729
    17    George Stigler, 1911
    18    Oliver Hardy, 1892
    21    V.I. Lenin dies, 1924
    28    Thomas Aquinas (feast day)
    29    W.C. Fields, 1880

February
    3    Walter Bagehot, 1826
          16th Amendment ratified, 1913
    4    Britain declares formal cessation of hostilities in America, 1783
          Interstate Commerce Commission established, 1887
    5    John Witherspoon, 1723
    6    Ronald Reagan, 1911
    7    Thomas More, 1478
    8    Joseph Schumpeter, 1883
   11    English Parliament convened for the first time, 1254
           Thomas Edison, 1847
   13    Thomas Malthus, 1766
   15    Jeremy Bentham, 1748
   19    Battle of Iwo Jima begins, 1945
   22    George Washington, 1732
   28    Carl Menger, 1840

March
    2    Tom Wolfe, 1931
    4    U.S. Constitution comes into force, 1789
    6    Josef Stalin's death announced, 1953
    8    Oliver Wendell Holmes, Jr., 1841
    9    Wealth of Nations published, 1776
   14    Karl Marx dies, 1883
   16    James Madison, 1751
   20    Ray Goulding, 1922
   24    Malcolm Muggeridge, 1903

April
    2      Tax Freedom Day in Alabama, 2011.  Alabama is tied for seventh-earliest TFD in the country (with AZ, KY, NV, and OK).  The winner in this regard is Mississippi (March 26).  The median date nationally is April 12.  The latest dates are CT (May 2), NJ (April 29), NY (April  24), and MD (April 17).
    6     National Tartan Day  "The national holiday for all Scottish Americans"
    9     Dietrich Bonhoeffer (feast day)
   18    David Ricardo, 1772
   19    American Revolution begins (the Battle of Lexington), 1775
   23    William Shakespeare, 1564 (also died this date, 1616)
   26    David Hume, 1711
   28    Benito Mussolini executed, 1945
   30    Adolph Hitler suicide, 1945

May
    3    Niccolo Machiavelli, 1469
          Jacob Viner, 1892
    8    Friedrich Hayek, 1899
          VE Day, 1945
   10    Churchill becomes Prime Minister, 1940
   19    Milton Friedman Day
   20    John Stuart Mill, 1806
   25    Constitutional Convention begins, 1787
           The Venerable Bede (feast day)
   27    U.S. Supreme Court decision in Schechter Poultry, 1934
   28    Walker Percy, 1916
   29    G.K. Chesterton, 1874

July
    3    Tom Stoppard, 1937
    4    Declaration of Independence approved, 1776
          Calvin Coolidge, 1872
    8    John D. Rockefeller, 1839
   10    William Blackstone, 1723
   15    Vilfredo Pareto, 1848
   22    Edward Hopper, 1882
   26    Alfred Marshall, 1842
   29    Alexis de Tocqueville, 1805
   31    Milton Friedman, 1912

August
   13    Alfred Hitchcock, 1899
   14    VJ Day, 1945
   20    Leon Trotsky executed, 1940
   24    Jorge Luis Borges, 1899
   28    Augustine of Hippo (feast day)
   29    John Locke, 1632

September
    1     William Stanley Jevons, 1835
    9    Mao dies, 1976
   12    H.L. Mencken, 1880
   17    U.S. Constitution completed and signed, 1787
   25    William Faulkner, 1897
   26    T.S. Eliot, 1888
   29    Ludwig von Mises, 1881
           Harold Hotelling, 1895

October
    2    Groucho Marx, 1890
    3    James Buchanan, 1919
    6    William Tyndale (feast day)
   13    Margaret Thatcher, 1925
   14    Battle of Hastings, 1066
           Chuck Yeager breaks the sound barrier, 1947
   15    P.G. Wodehouse, 1881
   16    Hugh Latimer, Nicholas Ridley, Thomas Cranmer (feast day)
   19    Cornwallis surrenders, 1781
   29    Black Tuesday (NY Stock Exchange crashes), 1929
   31    Martin Luther posts his 95 Theses at Wittenburg Cathedral, 1517

Library of Congress's Today in History
The History Channel
The Biography Channel
BBC News "On this Day"
Today-in-History

William & Mary, 1688
English Bill of Right, 1689
Gordon Tullock, P.T. Bauer (1915), Hernando de Soto
Bob Elliot

Last updated September 25, 2011